11321011111213 has 2 divisors, whose sum is σ = 11321011111214. Its totient is φ = 11321011111212.

The previous prime is 11321011111169. The next prime is 11321011111219. The reversal of 11321011111213 is 31211111012311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11172152495529 + 148858615684 = 3342477^2 + 385822^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321011111213 - 2⁹ = 11321011110701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11321011111219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660505555606 + 5660505555607.

It is an arithmetic number, because the mean of its divisors is an integer number (5660505555607).

Almost surely, 2^{11321011111213} is an apocalyptic number.

It is an amenable number.

11321011111213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321011111213 is an equidigital number, since it uses as much as digits as its factorization.

11321011111213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 11321011111213 its reverse (31211111012311), we get a palindrome (42532122123524).

The spelling of 11321011111213 in words is "eleven trillion, three hundred twenty-one billion, eleven million, one hundred eleven thousand, two hundred thirteen".